Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11689864 | Hearing device and method of operating the hearing device | Johannes Brendel, Ulrich Schaetzle | 2023-06-27 |
| 5448644 | Hearing aid | Raimund Martin | 1995-09-05 |
| 5378933 | Circuit arrangement having a switching amplifier | Raimund Martin | 1995-01-03 |